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AURORKA [14]
3 years ago
12

A cell membrane has permeability, which means that the membrane:

Biology
1 answer:
Lynna [10]3 years ago
5 0

Answer:

transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage.

Explanation:

I barley know what your trying to say

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What is the funtion of tRNA?
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Answer:

To bring amino acids to the ribosomes to be assembled into proteins

Explanation:

Transfer RNA or tRNA is a ribonucleoprotein which serves the purpose of chaperoning amino acids from the cytoplasm of the cell to the site of protein synthesis.

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2 years ago
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An aquifer is a rock layer that stores and allows the flow of groundwater. Compared to other types of rock layers, how permeable
AVprozaik [17]

Highly porous and permeable

Explanation:

Compared to other types of rock layers, an aquifer is highly porous and permeable.

Aquifers are always the target when prospecting for ground water in a formation.

  • Porosity is the amount of void spaces in a rock.
  • Aquifers are highly porous .
  • Permeability is the inter-connectivity of the void spaces and their ability to transmit fluids.
  • Aquifers have very high permeability compared to other rock types.

In terms of permeability and porosity, an aquifer is higher porous and permeable.

learn more:

Biogeochemical cycle brainly.com/question/3509510

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2 years ago
Can plants survive in a world without any animals?
strojnjashka [21]

Answer:

No

Explanation:

They cannot survive in a world without animals they need the animal kingdom.

4 0
3 years ago
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Bacteria can be described as:
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Most likely A from my point of view
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Explain how myopia and hyperopia are related to the lens focusing on the retina.
liq [111]

Answer:

In myopia the image is focused ahead of the retina. While in Hyperopia the image is focused beyond or behind the retina.

Explanation:

I'll start by defining the two key terms, Myopia and Hyperopia. Myopia is otherwise called short-sightedness. It is a condition where one cannot see the images of objects located far away from the eyes and tend to see images within a short distance from the eyes. Hyperopia on the otherhand is otherwise known as long-sightedness. It is an eye defect which manifests by one not seeing objects close to the eyes instead he or she see only objects far from the eyes. These two eye defects are a malfunction of the accomodation feature of the eye.

Normally when an object is viewed all the parts of the eye (the organ for vision) function to focus the image of that object on the retina but especially on a part of it called the *light spot*. This then translates the image to the brain using the optical nerve. The brain then interpretes what is being viewed

However in Myopia, images are focused ahead of the retina . This is as a result of the eyeball being too long in relation to the focusing power of the cornea and eye lens.

In Hyperopia on the other hand, images are focused behind the retina. This is by the diameter of the eye being too short or the cornea being too flat.

In conclusion, from the above stated points,it is glaring that Myopia and Hyperopia affect the lens's ability to focus images on the retina.

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